diff options
Diffstat (limited to 'libsylph/prefs.c')
| -rw-r--r-- | libsylph/prefs.c | 465 |
1 files changed, 465 insertions, 0 deletions
diff --git a/libsylph/prefs.c b/libsylph/prefs.c new file mode 100644 index 00000000..4579df4f --- /dev/null +++ b/libsylph/prefs.c @@ -0,0 +1,465 @@ +/* + * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client + * Copyright (C) 1999-2005 Hiroyuki Yamamoto + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include <glib.h> +#include <glib/gi18n.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <errno.h> + +#include "prefs.h" +#include "codeconv.h" +#include "utils.h" + +typedef enum +{ + DUMMY_PARAM +} DummyEnum; + +void prefs_read_config(PrefParam *param, const gchar *label, + const gchar *rcfile, const gchar *encoding) +{ + FILE *fp; + gchar buf[PREFSBUFSIZE]; + gchar *block_label; + + g_return_if_fail(param != NULL); + g_return_if_fail(label != NULL); + g_return_if_fail(rcfile != NULL); + + debug_print("Reading configuration...\n"); + + prefs_set_default(param); + + if ((fp = g_fopen(rcfile, "rb")) == NULL) { + if (ENOENT != errno) FILE_OP_ERROR(rcfile, "fopen"); + return; + } + + block_label = g_strdup_printf("[%s]", label); + + /* search aiming block */ + while (fgets(buf, sizeof(buf), fp) != NULL) { + gint val; + + if (encoding) { + gchar *conv_str; + + conv_str = conv_codeset_strdup + (buf, encoding, CS_INTERNAL); + if (!conv_str) + conv_str = g_strdup(buf); + val = strncmp + (conv_str, block_label, strlen(block_label)); + g_free(conv_str); + } else + val = strncmp(buf, block_label, strlen(block_label)); + if (val == 0) { + debug_print("Found %s\n", block_label); + break; + } + } + g_free(block_label); + + while (fgets(buf, sizeof(buf), fp) != NULL) { + strretchomp(buf); + /* reached next block */ + if (buf[0] == '[') break; + + if (encoding) { + gchar *conv_str; + + conv_str = conv_codeset_strdup + (buf, encoding, CS_INTERNAL); + if (!conv_str) + conv_str = g_strdup(buf); + prefs_config_parse_one_line(param, conv_str); + g_free(conv_str); + } else + prefs_config_parse_one_line(param, buf); + } + + debug_print("Finished reading configuration.\n"); + fclose(fp); +} + +void prefs_config_parse_one_line(PrefParam *param, const gchar *buf) +{ + gint i; + gint name_len; + const gchar *value; + + for (i = 0; param[i].name != NULL; i++) { + name_len = strlen(param[i].name); + if (g_ascii_strncasecmp(buf, param[i].name, name_len)) + continue; + if (buf[name_len] != '=') + continue; + value = buf + name_len + 1; + /* debug_print("%s = %s\n", param[i].name, value); */ + + switch (param[i].type) { + case P_STRING: + g_free(*((gchar **)param[i].data)); + *((gchar **)param[i].data) = + *value ? g_strdup(value) : NULL; + break; + case P_INT: + *((gint *)param[i].data) = + (gint)atoi(value); + break; + case P_BOOL: + *((gboolean *)param[i].data) = + (*value == '0' || *value == '\0') + ? FALSE : TRUE; + break; + case P_ENUM: + *((DummyEnum *)param[i].data) = + (DummyEnum)atoi(value); + break; + case P_USHORT: + *((gushort *)param[i].data) = + (gushort)atoi(value); + break; + default: + break; + } + } +} + +#define TRY(func) \ +if (!(func)) \ +{ \ + g_warning(_("failed to write configuration to file\n")); \ + if (orig_fp) fclose(orig_fp); \ + prefs_file_close_revert(pfile); \ + g_free(rcpath); \ + g_free(block_label); \ + return; \ +} \ + +void prefs_write_config(PrefParam *param, const gchar *label, + const gchar *rcfile) +{ + FILE *orig_fp; + PrefFile *pfile; + gchar *rcpath; + gchar buf[PREFSBUFSIZE]; + gchar *block_label = NULL; + gboolean block_matched = FALSE; + + g_return_if_fail(param != NULL); + g_return_if_fail(label != NULL); + g_return_if_fail(rcfile != NULL); + + rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, rcfile, NULL); + if ((orig_fp = g_fopen(rcpath, "rb")) == NULL) { + if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen"); + } + + if ((pfile = prefs_file_open(rcpath)) == NULL) { + g_warning(_("failed to write configuration to file\n")); + if (orig_fp) fclose(orig_fp); + g_free(rcpath); + return; + } + + block_label = g_strdup_printf("[%s]", label); + + /* search aiming block */ + if (orig_fp) { + while (fgets(buf, sizeof(buf), orig_fp) != NULL) { + gint val; + + val = strncmp(buf, block_label, strlen(block_label)); + if (val == 0) { + debug_print(_("Found %s\n"), block_label); + block_matched = TRUE; + break; + } else + TRY(fputs(buf, pfile->fp) != EOF); + } + } + + TRY(fprintf(pfile->fp, "%s\n", block_label) > 0); + g_free(block_label); + block_label = NULL; + + /* write all param data to file */ + TRY(prefs_file_write_param(pfile, param) == 0); + + if (block_matched) { + while (fgets(buf, sizeof(buf), orig_fp) != NULL) { + /* next block */ + if (buf[0] == '[') { + TRY(fputc('\n', pfile->fp) != EOF && + fputs(buf, pfile->fp) != EOF); + break; + } + } + while (fgets(buf, sizeof(buf), orig_fp) != NULL) + TRY(fputs(buf, pfile->fp) != EOF); + } + + if (orig_fp) fclose(orig_fp); + if (prefs_file_close(pfile) < 0) + g_warning(_("failed to write configuration to file\n")); + g_free(rcpath); + + debug_print(_("Configuration is saved.\n")); +} + +gint prefs_file_write_param(PrefFile *pfile, PrefParam *param) +{ + gint i; + gchar buf[PREFSBUFSIZE]; + + for (i = 0; param[i].name != NULL; i++) { + switch (param[i].type) { + case P_STRING: + g_snprintf(buf, sizeof(buf), "%s=%s\n", param[i].name, + *((gchar **)param[i].data) ? + *((gchar **)param[i].data) : ""); + break; + case P_INT: + g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name, + *((gint *)param[i].data)); + break; + case P_BOOL: + g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name, + *((gboolean *)param[i].data)); + break; + case P_ENUM: + g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name, + *((DummyEnum *)param[i].data)); + break; + case P_USHORT: + g_snprintf(buf, sizeof(buf), "%s=%d\n", param[i].name, + *((gushort *)param[i].data)); + break; + default: + buf[0] = '\0'; + } + + if (buf[0] != '\0') { + if (fputs(buf, pfile->fp) == EOF) { + perror("fputs"); + return -1; + } + } + } + + return 0; +} + +PrefFile *prefs_file_open(const gchar *path) +{ + PrefFile *pfile; + gchar *tmppath; + FILE *fp; + + g_return_val_if_fail(path != NULL, NULL); + + tmppath = g_strconcat(path, ".tmp", NULL); + if ((fp = g_fopen(tmppath, "wb")) == NULL) { + FILE_OP_ERROR(tmppath, "fopen"); + g_free(tmppath); + return NULL; + } + + if (change_file_mode_rw(fp, tmppath) < 0) + FILE_OP_ERROR(tmppath, "chmod"); + + g_free(tmppath); + + pfile = g_new(PrefFile, 1); + pfile->fp = fp; + pfile->path = g_strdup(path); + + return pfile; +} + +gint prefs_file_close(PrefFile *pfile) +{ + FILE *fp; + gchar *path; + gchar *tmppath; + gchar *bakpath = NULL; + + g_return_val_if_fail(pfile != NULL, -1); + + fp = pfile->fp; + path = pfile->path; + g_free(pfile); + + tmppath = g_strconcat(path, ".tmp", NULL); + if (fclose(fp) == EOF) { + FILE_OP_ERROR(tmppath, "fclose"); + g_unlink(tmppath); + g_free(path); + g_free(tmppath); + return -1; + } + + if (is_file_exist(path)) { + bakpath = g_strconcat(path, ".bak", NULL); + if (rename_force(path, bakpath) < 0) { + FILE_OP_ERROR(path, "rename"); + g_unlink(tmppath); + g_free(path); + g_free(tmppath); + g_free(bakpath); + return -1; + } + } + + if (rename_force(tmppath, path) < 0) { + FILE_OP_ERROR(tmppath, "rename"); + g_unlink(tmppath); + g_free(path); + g_free(tmppath); + g_free(bakpath); + return -1; + } + + g_free(path); + g_free(tmppath); + g_free(bakpath); + return 0; +} + +gint prefs_file_close_revert(PrefFile *pfile) +{ + gchar *tmppath; + + g_return_val_if_fail(pfile != NULL, -1); + + tmppath = g_strconcat(pfile->path, ".tmp", NULL); + fclose(pfile->fp); + if (g_unlink(tmppath) < 0) + FILE_OP_ERROR(tmppath, "unlink"); + g_free(tmppath); + g_free(pfile->path); + g_free(pfile); + + return 0; +} + +void prefs_set_default(PrefParam *param) +{ + gint i; + + g_return_if_fail(param != NULL); + + for (i = 0; param[i].name != NULL; i++) { + if (!param[i].data) continue; + + switch (param[i].type) { + case P_STRING: + if (param[i].defval != NULL) { + if (!g_ascii_strncasecmp(param[i].defval, "ENV_", 4)) { + const gchar *envstr; + gchar *tmp = NULL; + + envstr = g_getenv(param[i].defval + 4); + if (envstr) { + tmp = conv_codeset_strdup + (envstr, + conv_get_locale_charset_str(), + CS_UTF_8); + if (!tmp) { + g_warning("failed to convert character set."); + tmp = g_strdup(envstr); + } + } + *((gchar **)param[i].data) = tmp; + } else if (param[i].defval[0] == '~') + *((gchar **)param[i].data) = + g_strconcat(get_home_dir(), + param[i].defval + 1, + NULL); + else if (param[i].defval[0] != '\0') + *((gchar **)param[i].data) = + g_strdup(param[i].defval); + else + *((gchar **)param[i].data) = NULL; + } else + *((gchar **)param[i].data) = NULL; + break; + case P_INT: + if (param[i].defval != NULL) + *((gint *)param[i].data) = + (gint)atoi(param[i].defval); + else + *((gint *)param[i].data) = 0; + break; + case P_BOOL: + if (param[i].defval != NULL) { + if (!g_ascii_strcasecmp(param[i].defval, "TRUE")) + *((gboolean *)param[i].data) = TRUE; + else + *((gboolean *)param[i].data) = + atoi(param[i].defval) ? TRUE : FALSE; + } else + *((gboolean *)param[i].data) = FALSE; + break; + case P_ENUM: + if (param[i].defval != NULL) + *((DummyEnum*)param[i].data) = + (DummyEnum)atoi(param[i].defval); + else + *((DummyEnum *)param[i].data) = 0; + break; + case P_USHORT: + if (param[i].defval != NULL) + *((gushort *)param[i].data) = + (gushort)atoi(param[i].defval); + else + *((gushort *)param[i].data) = 0; + break; + default: + break; + } + } +} + +void prefs_free(PrefParam *param) +{ + gint i; + + g_return_if_fail(param != NULL); + + for (i = 0; param[i].name != NULL; i++) { + if (!param[i].data) continue; + + switch (param[i].type) { + case P_STRING: + g_free(*((gchar **)param[i].data)); + break; + default: + break; + } + } +} |